After 30-day testing, reviewing customer feedbacks and fixing minor bugs, 1and1Mail is upgraded to version 3.5. Here are the important updates and highlights in the new version:

New Features

  • Random delay between sending each email (Mimic sending emails manually)
    Random Send Delay
     
  • Switch freely between HTML and plain text when editing an email
  • Able to sort, adjust column width and position in send reports
  • Able to see all customized fields of Address Book in send reports
  • Able to export send reports
  • Add URLs to solutions when error messages show up

Improved Features

  • Add pop-up notification when "SMTP server needs authentication" is unchecked
  • Add error codes in send reports for debug purpose
  • Auto word wrap in plain text email

Bug Fixes

  • Emails cannot be sent and pop up "Can’t start tast with nil message"
  • Length of customized field is not long enough

The complete 1and1Mail changelog can be viewed here.